Michael Brian Bell

Companies

• Guardant HealthChief financial officer Jan 7, 2021 to now¹
• CareDx, IncChief financial officer Apr 25, 2017 to Nov 3, 2020²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Guardant Health GH51,816 shares³$8.2M at $159.04Jul 1, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 1, 2026Shares withheld for tax 3,914 shares at $170.77 of Guardant Health³
• Jul 1, 2026Exercised options 1,870 shares of Guardant Health³
• Jul 1, 2026Exercised options 3,324 shares of Guardant Health³
• Jul 1, 2026Exercised options 2,084 shares of Guardant Health³
• Jun 15, 2026Shares withheld for tax 1,096 shares at $129.82 of Guardant Health⁴
• Jun 15, 2026Exercised options 2,039 shares of Guardant Health⁴
• Jun 5, 2026Sold 2,000 shares at $128.62 of Guardant Health⁵
• Apr 1, 2026Shares withheld for tax 6,869 shares at $91.15 of Guardant Health⁶
• Apr 1, 2026Exercised options 7,369 shares of Guardant Health⁶
• Apr 1, 2026Exercised options 3,324 shares of Guardant Health⁶
• Apr 1, 2026Exercised options 2,084 shares of Guardant Health⁶
• Mar 16, 2026Sold 3,000 shares at $87.04 of Guardant Health⁷
• Mar 15, 2026Shares withheld for tax 7,413 shares at $85.49 of Guardant Health⁷
• Mar 15, 2026Exercised options 2,039 shares of Guardant Health⁷
• Mar 15, 2026Exercised options 10,518 shares of Guardant Health⁷
• Mar 15, 2026Exercised options 1,233 shares of Guardant Health⁷
• Jan 1, 2026Shares withheld for tax 12,479 shares at $102.14 of Guardant Health⁸
• Jan 1, 2026Exercised options 2,084 shares of Guardant Health⁸
• Jan 1, 2026Exercised options 7,110 shares of Guardant Health⁸
• Jan 1, 2026Exercised options 3,324 shares of Guardant Health⁸
• Jan 1, 2026Exercised options 10,520 shares of Guardant Health⁸
• Dec 15, 2025Shares withheld for tax 1,659 shares at $102.67 of Guardant Health⁹
• Dec 15, 2025Exercised options 2,039 shares of Guardant Health⁹
• Dec 15, 2025Exercised options 1,233 shares of Guardant Health⁹
• Dec 5, 2025Sold 1,190 shares at $107.26 of Guardant Health¹⁰